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FRDM-KL25z fails to connect

Question asked by Peter Beal on May 30, 2015
Latest reply on Jun 3, 2015 by Earl Orlando Ramirez Sanchez

Hi all,

 

This is my first time using a Freescale product, and I'm having quite a bit of trouble getting this to connect to any of my computers. I've tried on both a Windows 7 and Windows 8 machines, and it will power up, run the RGB LED demo, but the power LED on the board does not light, nor will anything show up in "Devices and Printers" or Device Manager.

 

I've searched around and followed as many steps as I could, but I can't get this to go into BOOTLOADER mode, either.

 

Any help would be appreciated.

 

This is a Rev. F board, btw.

 

EDIT:

 

So I've taken the time to study the schematics and probe out as many test points as relevant. The Green LED isn't being activated, as the PTD4/SPI0_PCS1/UART0_RTS/FTM0_CH4/EWM_IN pin on the K20 is still high, even after resetting.

 

Everything else seems to be in order, however.

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